SOLUTION: give the domain and range of the following linear and quadratic functions to show this: 1. Linear. Y = 4/(x-7) 2. Quadratic, Y=3x2+ 2x -3.

Algebra ->  Graphs -> SOLUTION: give the domain and range of the following linear and quadratic functions to show this: 1. Linear. Y = 4/(x-7) 2. Quadratic, Y=3x2+ 2x -3.       Log On


   

Question 971306: give the domain and range of the following linear and quadratic
functions to show this:
1. Linear. Y = 4/(x-7)
2. Quadratic, Y=3x2+ 2x -3.

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Domain is all reals except x=7 (denominator becomes 0)
Range is all reals.
Domain is all x's for quadratic
Range vertex has x-value of -b/2a or -1/3
At that x-value, y = (1/9)*3 -2/3 -3= -3 1/3
Range is y> (-10/3)